发明授权
- 专利标题: Ferromagnetic resin composition containing polymeric surface precoated magnetic rare earth cobalt powders
- 专利标题(中): 含有聚合物表面预涂磁性稀土钴粉末的铁磁树脂组合物
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申请号: US560062申请日: 1983-12-09
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公开(公告)号: US4462919A公开(公告)日: 1984-07-31
- 发明人: Takehide Saito , Yasuo Nakagawa
- 申请人: Takehide Saito , Yasuo Nakagawa
- 申请人地址: JPX Tokyo
- 专利权人: Sumitomo Bakelite Company, Limited
- 当前专利权人: Sumitomo Bakelite Company, Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX57-53745 19820402
- 主分类号: C08K9/00
- IPC分类号: C08K9/00 ; C08K9/04 ; C08L23/00 ; C08L67/00 ; C08L77/00 ; C08L101/00 ; H01F1/055 ; H01F1/08 ; H01F1/04 ; C08K3/08 ; H01F1/26 ; H01F1/37
摘要:
A ferromagnetic resin composition obtained by filling a thermoplastic resin with 70 to 97% by weight of rare earth-cobalt powder, the surface of which has been coated with a thermosetting resin or a thermoplastic resin. The composition gives a plastic magnet excellent in impact resistance.
公开/授权文献
- US5621596A Low profile thin film write head 公开/授权日:1997-04-15
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